A classic Japanese circle problem.
18:08
a super nice functional equation
29:42
Why 4d geometry makes me sad
26:37
the complex derivative is strange...
15:44
Half of a deathly area...
8:54
Germany’s Far-Right Comeback | NYT Opinion
23:39
Bobby Fischer's God Move Sends Entire Chess World Into Meltdown! | "Game Of The Century"
31:02
the strangest circle
19:27